From a381d175691a5fa58b4ef4d0aab1a0b7bc9a87fb Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Fri, 6 Jan 2012 19:19:37 +0200
Subject: Improve number, path & security helpers

---
 system/helpers/security_helper.php | 23 ++++++-----------------
 1 file changed, 6 insertions(+), 17 deletions(-)

(limited to 'system/helpers/security_helper.php')

diff --git a/system/helpers/security_helper.php b/system/helpers/security_helper.php
index d64bd12e1..99fda561a 100644
--- a/system/helpers/security_helper.php
+++ b/system/helpers/security_helper.php
@@ -1,13 +1,13 @@
-<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
 /**
  * CodeIgniter
  *
  * An open source application development framework for PHP 5.1.6 or newer
  *
  * NOTICE OF LICENSE
- * 
+ *
  * Licensed under the Open Software License version 3.0
- * 
+ *
  * This source file is subject to the Open Software License (OSL 3.0) that is
  * bundled with this package in the files license.txt / license.rst.  It is
  * also available through the world wide web at this URL:
@@ -87,14 +87,7 @@ if ( ! function_exists('do_hash'))
 {
 	function do_hash($str, $type = 'sha1')
 	{
-		if ($type == 'sha1')
-		{
-			return sha1($str);
-		}
-		else
-		{
-			return md5($str);
-		}
+		return ($type === 'sha1') ? sha1($str) : md5($str);
 	}
 }
 
@@ -111,10 +104,7 @@ if ( ! function_exists('strip_image_tags'))
 {
 	function strip_image_tags($str)
 	{
-		$str = preg_replace("#<img\s+.*?src\s*=\s*[\"'](.+?)[\"'].*?\>#", "\\1", $str);
-		$str = preg_replace("#<img\s+.*?src\s*=\s*(.+?).*?\>#", "\\1", $str);
-
-		return $str;
+		return preg_replace(array("#<img\s+.*?src\s*=\s*[\"'](.+?)[\"'].*?\>#", "#<img\s+.*?src\s*=\s*(.+?).*?\>#"), "\\1", $str);
 	}
 }
 
@@ -135,6 +125,5 @@ if ( ! function_exists('encode_php_tags'))
 	}
 }
 
-
 /* End of file security_helper.php */
-/* Location: ./system/helpers/security_helper.php */
\ No newline at end of file
+/* Location: ./system/helpers/security_helper.php */
-- 
cgit v1.2.3-24-g4f1b